Back 1625 4th Street
Off Market

1625 4th Street

Boulder CO 80302

4
2
1897 sq. ft.
0.12 ac.
Other
Last sold for $1,411,000
Autumn WhiteAutumn White, last sold this property on 20 February 2026 after 31 days on market.

Overview

Two Mid-Century Modern Homes on One Lot near Downtown Boulder. Rarely does a property like this come to market in one of Boulder's most sought-after neighborhoods. Located near 4th & Marine, this legal non-conforming duplex features two separate mid-century modern homes on one lot, each with 2 bedrooms, 1 bathroom, built-in storage, and walls of natural light. The front house was built in 1946 and the back house was constructed in 1960. A shared courtyard connects the homes providing both covered and open patio space with opportunities for gardening, entertaining, or future additions. Inside, each home was designed with comfortable living in mind, offering smart layouts, storage solutions, and timeless mid-century character. Additional features include a shared laundry room and easy access to Boulder's best amenities. Just blocks from Downtown Boulder, Boulder Creek, and Eben G. Fine Park, the location combines convenience with a peaceful residential feel. With multiple paths forward-income property, multi-generational living, owner-occupant with rental, or full renovation and expansion-this property offers unparalleled flexibility and long-term potential in a prime Boulder location.

Features

4 bedrooms
2 bathrooms
1897 sq. ft. floor area
0.12 ac. lot size
Other

Estimated Value

Based on this property and similar 4 bedroom other properties sold in Boulder over the last 12 months, the estimated median property value of 1625 4th Street is $1.66m.

Median value
$1.66m
Estimated value range
$1.31m - $4.33m
Median days on market
34
Estimated value trend
39%
increase over the last 12 months
Average days on market is based on recent, comparable sales in Boulder. It is only an indication of the time a property is actively listed and should not be relied upon as an accurate representation of how soon a property will be sold.

Property history for 1625 4th Street

2026
Sold
$1,411,000
20 Feb 2026 by Autumn White, of Compass - Boulder

Happy sellers in Boulder

~%

We have insufficient information to provide an overview of customer satisfaction for Boulder. Viewing the agent profiles, reviews and sales for Boulder can provide insights for this location.

Local market activity for 4 bedroom other properties in Boulder

In the last 12 months, 3 four-bedroom other properties similar to 1625 4th Street, have been sold.

This represents a 77% increase in four-bedroom other properties sales when compared to the previous 12 months.

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